Add 1/72 and 1/63
1/72 + 1/63 is 5/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
1/63 = 1 × 8/63 × 8 = 8/504 - Add the two like fractions:
7/504 + 8/504 = 7 + 8/504 = 15/504 - 15/504 simplified gives 5/168
- So, 1/72 + 1/63 = 5/168
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